they are confident the assad government will fall. they are ready to see the conflict to the end, despite limited military resources. we have the story from turkey. ♪ >> these are rebel fighters pushing to break government lines and sees strategic army bases in northern syria --sei seize strategic army bases in syria.rther iofof is it a top military commander of the rebel forces -- this is a top military commander of the rebel forces. >> the main reason behind our slow progress and the stalemates on the front line is the lack of ammunition. we badly need tactical weapons. we are dealing with a regime that bonds civilians and villages -- that bombs civilians and villages. >> the rebels have repeatedly asked for antiaircraft weapons to neutralize government forces air superiority. a demand rejected by the americans, who fear those weapons might fall into the hands of groups like this, which was recently designated by the u. s. government as a terrorist -- u.s. government as a terrorist organization. the fight to take over this militar